Kia Optima Hybrid: Indicators And Gauges / Trip Switch Repair procedures

Inspection
1.
Check the audio remote control switch for resistance between terminals in each switch position.
[Trip + Reset]

Switch
Connector
terminal
Resistance
(±5%)
Reset
3 - 5 (LH)
5.54 k?
Trip
3 - 5 (LH)
2.54 k?

[Trip + Mute + Reset]

Switch
Connector
terminal
Resistance
(±5%)
Mute
3-4
0 ?
Trip
(General option)
2-5
2.55 k?
Reset
(General option)
2-5
5.55 k?
Trip
(Cruise option)
2-5
1.1 k?
Reset
(Cruise option)
2-5
4.1 k?

[Trip + ECO + Reset]

Switch
Connector
terminal
Resistance
(±5%)
ECO
3-5
0 ?
Trip
(General option)
2-5
2.55 k?
Reset
(General option)
2-5
5.55 k?
Trip
(Cruise option)
2-5
1.1 k?
Reset
(Cruise option)
2-5
4.1 k?

Removal
1.
Disconnect the negative (-) battery terminal.
2.
Remove the driver airbag module.
(Refer to the RT group)
3.
Remove the steering wheel.
(Refer to the ST group - "Steering column & shaft")
4.
Remove the steering wheel cover (A) after loosening the screws.

5.
Remove the steering wheel remote control switch connector (A) after loosening the mounting screws.
[LH-Mute]

Installation
1.
Reassemble the steering wheel remote control switch after connecting the connector.
2.
Reassemble the steering wheel.
3.
Reassemble the driver airbag module.
   
Make sure the steering remote control switch and the airbag module connectors are plugged in properly.
Trip Switch Schematic Diagrams

Circuit Diagram ...

Troubleshooting

Troubleshooting SymptomPossible causeRemedyTachometer does not operateCluster fuse (10A) blownCheck for short and replace fuseCAN line faultyCheck the EMSTachometer faultyCheck tachometerWiring or ground ...

Other information:

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Kia Optima Hybrid (TF HEV) 2016-2020 Service Manual: Rear Wheel Speed Sensor Components and Components Location


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